<form method="get" id="searchform" class="searchform"
	action="<?php echo esc_url( home_url( '/' ) ); ?>" role="search">
	<input type="text" class="input_txt" name="s" value="请输入关键字" id="s"
		placeholder="请输入关键字" onfocus="if(this.value=='请输入关键字') this.value=''"
		onblur="if(this.value=='')this.value='请输入关键字'" />
	<input type="submit" class="input_btn" id="searchsubmit" value="" />
</form>
